From 9b8520fa9d745b3a974d5eb98cb4b9a9021b215d Mon Sep 17 00:00:00 2001
From: liuhongt <hongtao.liu@intel.com>
Date: Sun, 9 Oct 2022 15:30:10 +0800
Subject: [PATCH] Fix unrecognizable insn of cvtss2si.

Adjust lrintmn2 operand preidcates according to real instructions.

gcc/ChangeLog:

	PR target/107185
	* config/i386/i386.md (lrint<MODEF:mode><SWI48:mode>2): Swap
	predicate of operands[0] and operands[1].

gcc/testsuite/ChangeLog:

	* gcc.target/i386/pr107185.c: New test.
---
 gcc/config/i386/i386.md                  | 4 ++--
 gcc/testsuite/gcc.target/i386/pr107185.c | 8 ++++++++
 2 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100644 gcc/testsuite/gcc.target/i386/pr107185.c

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 1be9b669909b..947513701b91 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -20145,8 +20145,8 @@
    (set_attr "mode" "<MODE>")])
 
 (define_expand "lrint<MODEF:mode><SWI48:mode>2"
-  [(set (match_operand:SWI48 0 "nonimmediate_operand")
-     (unspec:SWI48 [(match_operand:MODEF 1 "register_operand")]
+  [(set (match_operand:SWI48 0 "register_operand")
+     (unspec:SWI48 [(match_operand:MODEF 1 "nonimmediate_operand")]
 		   UNSPEC_FIX_NOTRUNC))]
   "SSE_FLOAT_MODE_P (<MODEF:MODE>mode) && TARGET_SSE_MATH")
 
diff --git a/gcc/testsuite/gcc.target/i386/pr107185.c b/gcc/testsuite/gcc.target/i386/pr107185.c
new file mode 100644
index 000000000000..333191a9a89a
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr107185.c
@@ -0,0 +1,8 @@
+/* { dg-do compile } */
+/* { dg-options "-ffast-math" } */
+
+void
+foo (float f)
+{
+  long p =  __builtin_lrintf (f);
+}
-- 
2.47.2